Head cover



FIG. 1 is a front elevation view of a head cover;

FIG. 2 is a rear elevation view thereof; and,

FIG. 3 is a left side elevation view thereof, wherein the right side is a mirror image thereto.

The broken lines in the drawings represent environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for a head cover, as shown and described. 